??Usage? Like how we use the traditional wrist blood pressure monitor, wear the device at 2 figures lower the wrist and hold it at same height as the heart. The measured value may differ vs. the traditional sphygmomanometer by (±10mmHg) and may vary a bit depending on the body or mood condition. ??Versatile?The bp wrist monitor comes with daily assistant: apnea alert, move it, alarms, clock, calories, weather, SNS, call pickup etc.. App available in both iOS and Android store. Bluetooth connection to the App (No WiFi Connection). Please note the watch is Not WATERPROOF. 1.5 hours for a full charge, lasting 3 days for frequent use or 7 days in standby mode. ??Sports & Sleep Analysis? The wrist bp monitor watch with Walking, indoor or outdoor running modes is able to track the pace and heart rates in motion (plus calorie consumption on App). It also functions as a sleep tracker, keeping a close eye on the sleeping quality over night. ??24/7 Monitoring & Portability?This blood pressure meter continuedly monitors the heart rate and blood oxygen seamlessly with annual data recording. Also you can set up reminders for blood pressure testing. Convenience measurement anywhere, anytime, no more bulky traditional home blood-pressure machine. ??Compact Wrist Blood Pressure Monitor?The Oscillometric measurement is the only industrial recognized method among medical institutions, so it is with our wrist blood pressure cuff, our inflating air bags detect the blood pressure fluctuations in the arteries. It features a portable fitness tracker for blood pressure, blood oxygen and heartrate.